SNAP-Authorized Retailers in Ohio
9,526 SNAP-authorized retailers on file across 88 counties, sourced from the USDA FNS SNAP Retailer Locator. Data as of 2026-07-25 (dataset last updated 2026-07-15).
This is a retailer directory, not a food-pantry directory
Every entry below is a store authorized to accept SNAP/EBT benefits -- a grocery store, supermarket, convenience store, or similar retailer. None of these listings are charitable food pantries or food banks. If you need a free food pantry, use foodpantries.org or dial 211.
| Store | Type | City | County | ZIP |
|---|---|---|---|---|
| Dollar General 24658 1022 East Main St · Map |
Other | Bellevue | Huron | 44811-1555 |
| DollarTree 8385 250 Castalia St, Ste A · Map |
Other | Bellevue | Huron | 44811-1200 |
| Mickey Mart 24 1365 East Main St · Map |
Convenience Store | Bellevue | Huron | 44811-8928 |
| Mickey Mart 63 227 East Main St · Map |
Convenience Store | Bellevue | Huron | 44811-1410 |
| Burky's Farm Market 4012 State Route 13 · Map |
Grocery Store | Greenwich | Huron | 44837-9340 |
| Dollar General 11526 1451 US Highway 224 W · Map |
Other | Greenwich | Huron | 44837-9508 |
| Dollar General 21824 5780 State Route 13 · Map |
Other | Greenwich | Huron | 44837-9308 |
| Greenwich Beverage Center 15 W Main St · Map |
Convenience Store | Greenwich | Huron | 44837-1006 |
| Mickey Mart 15 47 E Main St · Map |
Convenience Store | Greenwich | Huron | 44837-1139 |
| Brauchers Village Meat Market Llc 39 S Main St · Map |
Specialty Store | Monroeville | Huron | 44847-9456 |
| Cold As Ice 22 N Main St · Map |
Convenience Store | Monroeville | Huron | 44847-9454 |
| DOLLAR GENERAL 13995 240 Sandusky St · Map |
Other | Monroeville | Huron | 44847-9506 |
| FriendShip 99 2700 State Route 224 · Map |
Convenience Store | New Haven | Huron | 44850 |
| Dollar General 10895 100 E Main St · Map |
Other | New London | Huron | 44851-1202 |
| Fitchville Mart 1596 US Highway 250 S · Map |
Convenience Store | New London | Huron | 44851-9371 |
| Gas Depot Inc 11 Akron St · Map |
Convenience Store | New London | Huron | 44851-1056 |
| Mickey Mart 13 72 N Main St · Map |
Convenience Store | New London | Huron | 44851-1036 |
| Miller Bros Super Valu 166 W Main St · Map |
Supermarket | New London | Huron | 44851-1063 |
| ALDI 63010 63010 195 Milan Ave · Map |
Supermarket | Norwalk | Huron | 44857-1131 |
| CVS 6173 106 Milan Ave · Map |
Other | Norwalk | Huron | 44857-1732 |
| Circle K 4705964 211 Cleveland Rd · Map |
Convenience Store | Norwalk | Huron | 44857-9029 |
| DOLLAR GENERAL 4741 359 Milan Ave · Map |
Other | Norwalk | Huron | 44857-1159 |
| Dave's Food Mart 84 Benedict Ave · Map |
Convenience Store | Norwalk | Huron | 44857-2132 |
| Discount Drug Mart 37 84 Whittlesey Ave · Map |
Other | Norwalk | Huron | 44857-1449 |
| Dollar General 24380 580 State Route 20 E · Map |
Other | Norwalk | Huron | 44857-9002 |
| DollarTree 1523 101 Plank Rd · Map |
Other | Norwalk | Huron | 44857 |
| Dublo's Carryout 6 Madison St · Map |
Convenience Store | Norwalk | Huron | 44857-2224 |
| FISHERS COUNTRY MARKET 2917 State Route 61 · Map |
Specialty Store | Norwalk | Huron | 44857-9760 |
| FriendShip 89 275 Milan Ave · Map |
Convenience Store | Norwalk | Huron | 44857-1190 |
| Friends Gas Mart 1 674 US Highway 250 S · Map |
Convenience Store | Norwalk | Huron | 44857-9214 |
| Hy-Miller 2224 110 Townsend Ave · Map |
Convenience Store | Norwalk | Huron | 44857-9708 |
| La Guadalupana Grocery 72 E Main St · Map |
Convenience Store | Norwalk | Huron | 44857-1442 |
| La Mixteca Tienda Mexicana 81 Cline St · Map |
Grocery Store | Norwalk | Huron | 44857-1028 |
| Mickey Mart 71 123 Akron Rd · Map |
Convenience Store | Norwalk | Huron | 44857-1665 |
| Mickey's 20 331 Milan Ave · Map |
Convenience Store | Norwalk | Huron | 44857-1159 |
| Mickey's 72 251 Benedict Ave · Map |
Convenience Store | Norwalk | Huron | 44857-2346 |
| Miller's Market 117 Whittlesey Ave · Map |
Other | Norwalk | Huron | 44857-1463 |
| SCHILD'S IGA 171 Milan Ave · Map |
Super Store | Norwalk | Huron | 44857-1131 |
| Speedway 3550 183 Milan Ave · Map |
Convenience Store | Norwalk | Huron | 44857-1131 |
| WEST SIDE STORE 288 W Main St · Map |
Convenience Store | Norwalk | Huron | 44857-1931 |
| Walgreens 10956 4 E League St · Map |
Other | Norwalk | Huron | 44857-1308 |
| Walmart 1986 340 Westwind Dr · Map |
Super Store | Norwalk | Huron | 44857-9104 |
| Community Markets 320 262 Sandusky St · Map |
Super Store | Plymouth | Huron | 44865-1197 |
| DOLLAR GENERAL 10678 64 Hyde St · Map |
Other | Wakeman | Huron | 44889-9301 |
| Family Dollar 12941 28 Hyde St · Map |
Other | Wakeman | Huron | 44889-9301 |
| FriendShip 75 64 E Main St · Map |
Convenience Store | Wakeman | Huron | 44889-9298 |
| Mickey Mart 14 52 W Main St · Map |
Convenience Store | Wakeman | Huron | 44889-9700 |
| The Meat Barn 5073 Butler Rd · Map |
Specialty Store | Wakeman | Huron | 44889-9269 |
| Circle K 4705706 418 W Walton St · Map |
Convenience Store | Willard | Huron | 44890-9134 |
| Crimson Drive Thru 3513 State Route 103 E · Map |
Convenience Store | Willard | Huron | 44890-9247 |
| DOLLAR GENERAL 4739 201 W Walton St · Map |
Other | Willard | Huron | 44890-9132 |
| Discount Drug Mart 16 307 W Walton St · Map |
Other | Willard | Huron | 44890-9133 |
| Dollar General 24546 3577 Townline Road 12 · Map |
Other | Willard | Huron | 44890-9566 |
| DollarTree 6932 403 W Walton St · Map |
Other | Willard | Huron | 44890-9134 |
| FriendShip 87 1045 S Myrtle Ave · Map |
Convenience Store | Willard | Huron | 44890-1627 |
| Giles Meats 2561 Sr 103 · Map |
Specialty Store | Willard | Huron | 44890 |
| Hy-miler 2250 8 E Tiffin St · Map |
Convenience Store | Willard | Huron | 44890-1555 |
| La Perlita 202 S Myrtle Ave · Map |
Convenience Store | Willard | Huron | 44890-1400 |
| Mickey Mart 59 203 S Main St · Map |
Convenience Store | Willard | Huron | 44890-1045 |
| Save A Lot 21693 20 Woodland Ave · Map |
Supermarket | Willard | Huron | 44890-1429 |
| The Willard Drive Thru 1052 S Myrtle Ave · Map |
Convenience Store | Willard | Huron | 44890-1628 |
| Tienda Don Chayo LLC 14 S Myrtle Ave · Map |
Grocery Store | Willard | Huron | 44890-1423 |
| Coalton Express 50 Church St · Map |
Convenience Store | Coalton | Jackson | 45621 |
| Coalton Food Mart LLC 26 Broadway St · Map |
Convenience Store | Coalton | Jackson | 45692 |
| CVS 3419 353 E Main St · Map |
Other | Jackson | Jackson | 45640-1758 |
| Circle M Meats Llc 7365 State Route 776 · Map |
Convenience Store | Jackson | Jackson | 45640-8901 |
| Clark's Pump-n-Shop 10 90 Twin Oaks Dr · Map |
Convenience Store | Jackson | Jackson | 45640-9504 |
| Dollar General 22498 245 Bridge Street · Map |
Other | Jackson | Jackson | 45640 |
| Dollar General 8588 325 E South St · Map |
Other | Jackson | Jackson | 45640-1649 |
| DollarTree 5462 1014 E Main St · Map |
Other | Jackson | Jackson | 45640 |
| Exxon Jackson Food Mart 277 970 E Main St · Map |
Convenience Store | Jackson | Jackson | 45640-2139 |
| Filling Station 214 Bridge St · Map |
Convenience Store | Jackson | Jackson | 45640-1302 |
| Handy Mart 33 S David Ave · Map |
Convenience Store | Jackson | Jackson | 45640-1842 |
| JACKSON SAVE-A-LOT 22958 71 E Huron St · Map |
Grocery Store | Jackson | Jackson | 45640-1939 |
| Jackson Food Mart 287 1111 E Main St · Map |
Convenience Store | Jackson | Jackson | 45640-2142 |
| Jackson Meats 85 Gay St · Map |
Specialty Store | Jackson | Jackson | 45640-2007 |
| Jerrys Jamestown Market 185 E Broadway St · Map |
Grocery Store | Jackson | Jackson | 45640-1449 |
| KROGER N-590 530 E Main St · Map |
Super Store | Jackson | Jackson | 45640-2127 |
| MAIN EXPRESS #6 279 Chillicothe St · Map |
Convenience Store | Jackson | Jackson | 45640-1203 |
| Midway Quick Mart 137 E Huron St · Map |
Convenience Store | Jackson | Jackson | 45640-1941 |
| Misty Valley Farms 212 Watts Colony St · Map |
Farmers and Markets | Jackson | Jackson | 45640-8830 |
| Murphy USA 6851 14976 State Route 93 · Map |
Convenience Store | Jackson | Jackson | 45640-8921 |
| Par Mar Store 31 1 McCarty Ln · Map |
Convenience Store | Jackson | Jackson | 45640-8698 |
| Speedway 9239 449 E Main St · Map |
Convenience Store | Jackson | Jackson | 45640-1727 |
| Ta Jackson 80 Dixon Run Rd · Map |
Convenience Store | Jackson | Jackson | 45640-9511 |
| Walgreens 12476 521 E Main St · Map |
Other | Jackson | Jackson | 45640-2126 |
| Walmart SUPERCTR 1519 100 Walmart Dr · Map |
Super Store | Jackson | Jackson | 45640-8692 |
| CVS 3612 407 N Front St · Map |
Other | Oak Hill | Jackson | 45656-1268 |
| Candy's Country Store & Carryout 58 State Route 139 · Map |
Convenience Store | Oak Hill | Jackson | 45656-9620 |
| Clark's Pump-n-Shop 7 199 N Jackson St · Map |
Convenience Store | Oak Hill | Jackson | 45656-1025 |
| DOLLAR GENERAL 7342 325 S Front St · Map |
Other | Oak Hill | Jackson | 45656-1322 |
| Family Dollar 1765 405 N Front St · Map |
Other | Oak Hill | Jackson | 45656-1268 |
| LKB Main Express LLC 116 N Front St · Map |
Convenience Store | Oak Hill | Jackson | 45656-1269 |
| Piggly Wiggly 409 N Front St · Map |
Supermarket | Oak Hill | Jackson | 45656-1268 |
| DOLLAR GENERAL 4669 302 S Pennsylvania Ave · Map |
Other | Wellston | Jackson | 45692-1721 |
| Dave's Custom Butchering 400 Scott Ln · Map |
Specialty Store | Wellston | Jackson | 45692-9327 |
| Dollar General 20410 20889 State Route 93 · Map |
Other | Wellston | Jackson | 45692 |
| DollarTree 6198 229 S Pennsylvania Ave · Map |
Other | Wellston | Jackson | 45692-1718 |
| Family Dollar 2098 101 W 2nd St · Map |
Other | Wellston | Jackson | 45692-1438 |
| Homestead Country Market Llc 7037 State Route 327 · Map |
Grocery Store | Wellston | Jackson | 45692-9701 |
| Newmans Grocery Llc 223 W Broadway St · Map |
Grocery Store | Wellston | Jackson | 45692-1127 |
| PIGGLY WIGGLY 116 W 2nd St · Map |
Supermarket | Wellston | Jackson | 45692-1435 |
| Speedway 9335 1219 S Pennsylvania Ave · Map |
Convenience Store | Wellston | Jackson | 45692-2323 |
| Super Quik 1129 S Pennsylvania Ave · Map |
Convenience Store | Wellston | Jackson | 45692-2321 |
| The Detour 7575 State Route 327 · Map |
Convenience Store | Wellston | Jackson | 45692-9701 |
| Wellston 1st Stop 78 2256 Honey Suckle Ln · Map |
Convenience Store | Wellston | Jackson | 45692-9566 |
| Wellston Sunoco 7 S Pennsylvania Ave · Map |
Convenience Store | Wellston | Jackson | 45692-1255 |
| Dollar General 31614 1187 US 250 · Map |
Other | Adena | Jefferson | 43901 |
| Figgys Fuel Mart 4 E Main St · Map |
Convenience Store | Adena | Jefferson | 43901-7831 |
| Amsterdam Country Corner 104 N Main St · Map |
Convenience Store | Amsterdam | Jefferson | 43903-7983 |
| Dollar General 12517 9871 SR 164 · Map |
Other | Amsterdam | Jefferson | 43903 |
| CFM 22 5915 County Road 22A · Map |
Convenience Store | Bloomingdale | Jefferson | 43910-7977 |
| K&r Farm 5369 State Route 646 · Map |
Farmers and Markets | Bloomingdale | Jefferson | 43910-7846 |
| Coen 1820 1499 3rd St · Map |
Convenience Store | Brilliant | Jefferson | 43913-1000 |
| Dollar General 10702 170 Smithfield St · Map |
Other | Dillonvale | Jefferson | 43917-6804 |
| Carry Out Express 8400 State Route 43 · Map |
Convenience Store | East Springfield | Jefferson | 43925-0007 |
| Special Way 3 232 County Road 50 · Map |
Convenience Store | Hammondsville | Jefferson | 43930-7976 |
| CHAPPANO MARKET LLC 2506 Commercial Ave · Map |
Convenience Store | Mingo Junction | Jefferson | 43938-1604 |
| DOLLAR GENERAL 6969 100 Paps Ln · Map |
Other | Mingo Junction | Jefferson | 43938-1424 |
| Pestas Country Store Llc 300 Standard Ave · Map |
Grocery Store | Mingo Junction | Jefferson | 43938-1152 |
| Dollar General 16974 2455 State Route 43 · Map |
Other | Richmond | Jefferson | 43944-7981 |
| Kenco Quik Mart 51 W Main St · Map |
Convenience Store | Richmond | Jefferson | 43944-7854 |
| MCCONNELL FARM MARKET 2233 State Route 43 · Map |
Specialty Store | Richmond | Jefferson | 43944-7981 |
| Richmond Country Market 215 E Main St · Map |
Convenience Store | Richmond | Jefferson | 43944-6952 |
| Walmart 2193 100 MALL DRIVE · Map |
Super Store | STEUBENVILLE | Jefferson | 43952 |
| It's All Good Farm 101 E Tanner St · Map |
Farmers and Markets | Smithfield | Jefferson | 43948-9041 |
| SUPER C 992 E Main St · Map |
Grocery Store | Smithfield | Jefferson | 43948-0451 |
| ALDI 75052 75052 4150 Mall Dr · Map |
Supermarket | Steubenville | Jefferson | 43952-3006 |
| CVS 6268 2217 Sunset Blvd · Map |
Other | Steubenville | Jefferson | 43952-2468 |
| Coen 1805 620 Main St · Map |
Convenience Store | Steubenville | Jefferson | 43953-3744 |
| Coen 1810 953 N 7th St · Map |
Convenience Store | Steubenville | Jefferson | 43952-1754 |
| DOLLAR GENERAL 9314 144 Hollywood Blvd · Map |
Other | Steubenville | Jefferson | 43952-1245 |
| Dollar General 20074 2760 State Route 213 · Map |
Other | Steubenville | Jefferson | 43952-7977 |
| DollarTree 10446 2001 Sunset Blvd · Map |
Other | Steubenville | Jefferson | 43952-1349 |
| DollarTree 2599 4201 Mall Dr · Map |
Other | Steubenville | Jefferson | 43952-3011 |
| DollarTree 7785 138 N 5th St · Map |
Other | Steubenville | Jefferson | 43952-2128 |
| Family Dollar 2063 240 N 7th St · Map |
Other | Steubenville | Jefferson | 43952-2247 |
| Family Dollar 4669 26 Bennett Blvd · Map |
Other | Steubenville | Jefferson | 43953-7600 |
| KROGER 512 264 S Hollywood Blvd · Map |
Super Store | Steubenville | Jefferson | 43952-2422 |
| MARYLAND MARKET 1421 Maryland Ave · Map |
Grocery Store | Steubenville | Jefferson | 43952-1524 |
| Marathon 1 302 S 3rd St · Map |
Convenience Store | Steubenville | Jefferson | 43952-2935 |
| Northend Market 830 N 6th Ave · Map |
Convenience Store | Steubenville | Jefferson | 43952-1835 |
| Pilot Travel Center 1032 435 S 3rd St · Map |
Convenience Store | Steubenville | Jefferson | 43952-2936 |
| Quick Stop Foods 1088 Cadiz Rd · Map |
Convenience Store | Steubenville | Jefferson | 43953-4072 |
| Quik Mart & More Inc 1061 Canton Rd · Map |
Convenience Store | Steubenville | Jefferson | 43953-4114 |
| SPEEDWAY #9403 2619 Sunset Blvd · Map |
Convenience Store | Steubenville | Jefferson | 43952-1115 |
| SPEEDWAY 9167 201 N 3rd St · Map |
Convenience Store | Steubenville | Jefferson | 43952-2120 |
| SPEEDWAY 9248 4455 Sunset Blvd · Map |
Convenience Store | Steubenville | Jefferson | 43952-3422 |
| Smith Oil #112 1424 Cadiz Rd · Map |
Convenience Store | Steubenville | Jefferson | 43953-9058 |
| Steubenville Food Mart 159 S 7th St · Map |
Convenience Store | Steubenville | Jefferson | 43952-4811 |
| The Steubenville Grocery Box 173 N 4th St · Map |
Grocery Store | Steubenville | Jefferson | 43952-2131 |
| VGV Foodmart LLC 3069 State Route 213 · Map |
Convenience Store | Steubenville | Jefferson | 43952-7021 |
| Vashva Llc 550 Maxwell Ave · Map |
Convenience Store | Steubenville | Jefferson | 43952-2518 |
| Walgreens 17303 4402 Sunset Blvd · Map |
Other | Steubenville | Jefferson | 43952-3423 |
| Jimmy John's Carryout 107 2nd Ave · Map |
Convenience Store | Stratton | Jefferson | 43961-9800 |
| Family Dollar 7391 204 Walden Ave · Map |
Other | Tiltonsville | Jefferson | 43963-1133 |
| MIDEI FOOD & FUEL 301 Walden Ave · Map |
Convenience Store | Tiltonsville | Jefferson | 43963-1144 |
| MIDEI IGA 206 Walden Ave · Map |
Grocery Store | Tiltonsville | Jefferson | 43963-1133 |
| Coen 1815 1860 Franklin St · Map |
Convenience Store | Toronto | Jefferson | 43964-1949 |
| DOLLAR GENERAL 3523 407 Market St · Map |
Other | Toronto | Jefferson | 43964-1407 |
| Family Dollar 4345 1832 Franklin St · Map |
Other | Toronto | Jefferson | 43964-1949 |
| Jefferson Landmark Knoxville Carryout 14696 State Highway 152 · Map |
Convenience Store | Toronto | Jefferson | 43964-7737 |
| Marathon 2 1528 Franklin St · Map |
Convenience Store | Toronto | Jefferson | 43964-1030 |
| Riesbeck's Food Markets 19 1840 Franklin St · Map |
Supermarket | Toronto | Jefferson | 43964-1949 |
| Special Way 721 N 4th St · Map |
Convenience Store | Toronto | Jefferson | 43964-1623 |
| Toronto Gas N Go 202 S 4th St · Map |
Convenience Store | Toronto | Jefferson | 43964-1370 |
| Walgreens 19910 1820 Franklin St · Map |
Other | Toronto | Jefferson | 43964-1949 |
| DOLLAR GENERAL 9110 288 Canton Rd · Map |
Other | Wintersville | Jefferson | 43953-3903 |
| KROGER N-963 858 Main St · Map |
Super Store | Wintersville | Jefferson | 43953-3870 |
| Quik Mart & More Inc 1010 Canton Rd · Map |
Convenience Store | Wintersville | Jefferson | 43952 |
| CFM 7 150 William St · Map |
Convenience Store | Yorkville | Jefferson | 43971-1136 |
| DOLLAR GENERAL 8441 170 William St · Map |
Other | Yorkville | Jefferson | 43971-1136 |
| Centerburg Cardinal Supermarket Inc 3895 Columbus Rd · Map |
Grocery Store | Centerburg | Knox | 43011-9475 |
| DOLLAR GENERAL 9587 3881 Columbus Rd · Map |
Other | Centerburg | Knox | 43011-9475 |
| Shell 79 E Main St · Map |
Convenience Store | Centerburg | Knox | 43011-7074 |
| Webb's Marathon 1 164 E Main St · Map |
Convenience Store | Centerburg | Knox | 43011-7042 |
| Dollar General 23841 14795 Millersburg Rd · Map |
Other | Danville | Knox | 43014-9794 |
| Don Leo's Market Llc 3 North Main Street · Map |
Grocery Store | Danville | Knox | 43014 |
| Family Dollar 8050 14682 Millersburg Rd · Map |
Other | Danville | Knox | 43014-9697 |
| BellStores 1121 300 W Sandusky St · Map |
Convenience Store | Fredericktown | Knox | 43019-9212 |
| DOLLAR GENERAL 5894 11 Malibu Cir · Map |
Other | Fredericktown | Knox | 43019-8909 |
| Dollar General 11881 23021 Coshocton Rd · Map |
Other | Howard | Knox | 43028-9260 |
| Town Center Market 800 21875 Coshocton Rd · Map |
Convenience Store | Howard | Knox | 43028-9606 |
| KROGER N-820 855 S. COSHOCTON AVE. · Map |
Super Store | MT VERNON | Knox | 43050 |
| DOLLAR GENERAL 18743 92 W Liberty St · Map |
Other | Martinsburg | Knox | 43037 |
| Martinsburg Road Dog LLC 110 102 N Market St · Map |
Convenience Store | Martinsburg | Knox | 43037-9998 |
| ALDI 61001 61001 1545 Coshocton Ave · Map |
Supermarket | Mount Vernon | Knox | 43050-1476 |
| Bakers Iga 524 S Main St · Map |
Supermarket | Mount Vernon | Knox | 43050-4144 |
| CVS 6151 900 Coshocton Rd · Map |
Other | Mount Vernon | Knox | 43050-1908 |
| Community Roots 1104 W Gambier St · Map |
Farmers and Markets | Mount Vernon | Knox | 43050-3023 |
| DOLLAR GENERAL 10622 673 N Sandusky St · Map |
Other | Mount Vernon | Knox | 43050-1640 |
| DOLLAR GENERAL 2140 855 Coshocton Ave · Map |
Other | Mount Vernon | Knox | 43050-1975 |
| Dollar General 20078 20095 Fredericktown Amity Rd · Map |
Other | Mount Vernon | Knox | 43050-8258 |
| DollarTree 2536 999 Coshocton Rd · Map |
Other | Mount Vernon | Knox | 43050-1907 |
| Five Point Drive-Thru 701 N Main St · Map |
Convenience Store | Mount Vernon | Knox | 43050-1719 |
| Hmr Petroleum Inc 700 Harcourt Rd · Map |
Convenience Store | Mount Vernon | Knox | 43050-3922 |
| Lanning's Foods 1033 Newark Rd · Map |
Supermarket | Mount Vernon | Knox | 43050-4640 |
| Millers Farm Market 5 Martinsburg Rd · Map |
Farmers and Markets | Mount Vernon | Knox | 43050-4106 |
| Mount Vernon Farmers Market 1 Public Sq · Map |
Farmers and Markets | Mount Vernon | Knox | 43050-3294 |
| Mt. Vernon Duchess 1204 814 Coshocton Ave · Map |
Convenience Store | Mount Vernon | Knox | 43050-1928 |
Source: USDA FNS SNAP Retailer Locator (U.S. government work, public domain). See the full methodology.